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Taxes on Earnings Taxes on Earnings (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 02, 2026	Aug. 03, 2025	Jul. 28, 2024
Operating Loss Carryforwards	$ 103
Deferred Tax Assets, Operating Loss Carryforwards	4	$ 5
Operating Loss Carryforwards, Valuation Allowance	2
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(12)	(6)	$ (100)
Deferred Tax Assets, Valuation Allowance	11	23
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	13	15	14
Income Tax Paid, after Refund Received	$ 93	268	$ 252
Latest Tax Year [Member]
Operating Loss Carryforwards, Expiration Date	Jul. 30, 2044
Earliest Tax Year [Member]
Operating Loss Carryforwards, Expiration Date	Jul. 31, 2028
Indefinite Life [Member]
Operating Loss Carryforwards	$ 9
Definite Life [Member]
Operating Loss Carryforwards	94
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	7	$ 7
Capital Loss Carryforward [Member]
Tax Credit Carryforward, Valuation Allowance	6
Indefinite Life [Member]
Tax Credit Carryforward, Amount	46
Income Tax Jurisdiction, Domestic State and Local [Member]
Deferred Tax Assets, Valuation Allowance	$ 3
Income Tax Jurisdiction, Domestic State and Local [Member] \| Latest Tax Year [Member]
Tax Credit Carryforward, Expiration Date	Jul. 31, 2039
Income Tax Jurisdiction, Domestic State and Local [Member] \| Earliest Tax Year [Member]
Tax Credit Carryforward, Expiration Date	Jul. 29, 2029
Income Tax Jurisdiction, Domestic State and Local [Member] \| Definite Life [Member]
Deferred Tax Assets, Tax Credit Carryforwards, Other	$ 3